CN205982314U - Five hole probes - Google Patents
Five hole probes Download PDFInfo
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- CN205982314U CN205982314U CN201620960385.0U CN201620960385U CN205982314U CN 205982314 U CN205982314 U CN 205982314U CN 201620960385 U CN201620960385 U CN 201620960385U CN 205982314 U CN205982314 U CN 205982314U
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- probe
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- pressure capillary
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Abstract
The utility model provides a five hole probes, including probe branch, transition connection piece, receive sense portion and pressure capillary, it has five probe pin hole to receive to open in the sense portion, probe pin hole is connected with the pressure capillary, receives sense portion through be connected with transition connection piece by sense portion casing, transition connection piece is connected with probe branch is perpendicular, the other end of pressure capillary follow probe branch is worn out, probe pin hole is step - like structure, and it is the same with the internal diameter of pressure capillary that probe pin hole experiences the aperture of the one end that the air current erodees, and the aperture of the other end is the same with the external diameter of pressure capillary. The utility model discloses a structural design that will receive the probe pin hole in the sense portion describes for the step, makes the air current that gets into probe pin hole and pressure capillary unobstructed to can guarantee the measuring accuracy. And simultaneously, the utility model discloses still effectively avoided having the product problem of scrapping that the defect results in because of conical surface processing unqualified or probe pin hole drill way, effectively improved the yield of product.
Description
Technical field
This utility model is related to flow measurement technical field and in particular to one kind is used for measuring three-dimensional at engine inlets
Gas flowfield speed and the five-hole probe in direction.
Background technology
Three-dimensional air-flow in the research in engine air power flow field it is often necessary at measurement engine inlets
Velocity field, to obtain accurate flow field parameter.Mainly measured using five-hole probe during measurement, flow field velocity should be measured
Size, determines the direction of flow field velocity again.
The detector probe of five-hole probe is design difficulty in industry, using bushing type knot more than five-hole probe in currently available technology
Structure, due to being difficult to ensure that the intercapillary accurate relative location of pressure, and then has influence on the accuracy of measurement result.Meanwhile,
Carrying out bevel in the end on detector probe can affect the fineness in probe aperture aperture often, and bevel is unqualified or probe
Hole aperture existing defects can affect the yield rate of product, makes the yield rate of product not high, therefore can not meet actually used demand.
Utility model content
This utility model provides a kind of five-hole probe, to solve measurement result that five-hole probe of the prior art has not
Accurately and the not high problem of yield rate.
This utility model provides a kind of five-hole probe, including probe pole, transition piece, detector probe and pressure capillary
Pipe, described detector probe has five probe aperture, described probe aperture is connected with described pressure capillary tube, and described detector probe passes through to be subject to
Sense portion housing is connected with described transition piece, and described transition piece is vertical with described probe pole to be connected, described pressure hair
Tubule sequentially passes through described detector probe housing, described transition piece and described probe pole, and another from described probe pole
One end passes；Described probe aperture is step-like structure, and described probe aperture experiences the aperture of one end of airflow scouring and described pressure
The internal diameter of capillary tube is identical, and the aperture of the other end is identical with the external diameter of described pressure capillary tube.
As optimal way of the present utility model, also include mounting seat, described mounting seat is sleeved on described probe pole
Outside.
As optimal way of the present utility model, described mounting seat is tied towards the side of described transition piece for cambered surface
Structure.
As optimal way of the present utility model, described mounting seat towards described transition piece side upper end with described
The distance between axis of transition piece is 44.5mm.
As optimal way of the present utility model, described probe in the hole is stretched in the end of described pressure capillary tube, and with institute
State probe aperture and experience the bottom of airflow scouring one end and abut against.
As optimal way of the present utility model, described detector probe is connected with described detector probe housing by inserting mode.
The five-hole probe that this utility model provides, by being step-like by the structure design of the probe aperture on detector probe, no
Only ensure that the accuracy of relative position and angle between each probe aperture, also ensure being accurately positioned of pressure capillary tube, make
Enter probe aperture and the air-flow of pressure capillary tube is unobstructed, thus the accuracy measuring can be ensured.
Additionally, detector probe and detector probe housing and transition piece are relatively independent structures, can in advance by detector probe plus
Work is the conical surface, and after bevel is complete, the conical surface on detector probe and probe aperture is detected, meets after detection requires to enter again
The connection of row pressure capillary tube, detector probe housing and transition piece, effectively prevent because bevel is unqualified or probe aperture
Aperture existing defects and the product rejection problem that leads to, effectively increase the yield rate of product.
Brief description
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
The structural representation of the five-hole probe that Fig. 1 provides for this utility model embodiment；
The cross-sectional view of the five-hole probe that Fig. 2 provides for this utility model embodiment；
Fig. 3 is the partial enlargement structural representation at I in Fig. 2.
Wherein, 1, detector probe, 2, detector probe housing, 3, connecting hole, 4, mounting seat, 5, probe pole, 6, transition piece,
7th, pressure capillary tube, 8, probe aperture.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
This utility model embodiment discloses a kind of five-hole probe, sees figures.1.and.2 shown, and this five-hole probe includes visiting
Five probe aperture 8 are had on pin pole 5, transition piece 6, detector probe 1 and pressure capillary tube 7, wherein detector probe 1, this five
Probe aperture 8 is connected with corresponding pressure capillary tube 7 respectively.Detector probe 1 is connected with transition piece 6 by detector probe housing 2, mistake
Cross that connector 6 is vertical with probe pole 5 to be connected as L-type, detector probe housing 2, transition piece 6 are inside with probe pole 5
Hollow structure, pressure capillary tube 7 sequentially passes through detector probe housing 2, transition piece 6 and probe pole 5, and from probe pole 5
The other end pass, be connected with measuring apparatus further after passing.
It is step-like structure with further reference to shown in Fig. 3 it is preferable that the present embodiment middle probe hole 8, wherein in probe aperture 8
The aperture of one end experiencing airflow scouring is identical with the internal diameter of pressure capillary tube 7, and the aperture of the other end is outer with pressure capillary tube 7
Footpath is identical.
Preferably, the end of pressure capillary tube 7 is stretched in corresponding probe aperture 8, and experiences airflow scouring one with probe aperture 8
The bottom at end abuts against, and both adopt high temperature brazing to weld.
In process, it should also ensure that the relative position of five probe aperture 8 and angle, generally this five probe aperture 8
Set location is that one of probe aperture 8 is arranged on the centre position of detector probe 1, and remaining four probe aperture 8 is distributed in the middle of this
The probe aperture 8 of position is around.The axis of this five probe aperture 8 is parallel to each other, and that is, the angle between each probe aperture 8 is
0°.
After the structure design of the probe aperture 8 on detector probe 1 is step-like, not only ensure that phase between each probe aperture 8
Accuracy to position and angle, and position relative position between it by limiting the relative position between pressure capillary tube 7,
Make the air-flow of entrance probe aperture 8 and pressure capillary tube 7 unobstructed, thus the accuracy measuring can be ensured.
On the basis of above-described embodiment, detector probe 1 is connected with detector probe housing 2 by inserting mode.Probe aperture 8 with
Before pressure capillary tube 7 welding, first the end experiencing airflow scouring one end on detector probe 1 is processed as the conical surface, clear to probe aperture 8
Detected after reason, meet after detection requires and five probe aperture 8 are welded with corresponding pressure capillary tube 7 respectively, then will be subject to
Sense portion 1 and detector probe housing 2 are combined welding, then again by detector probe housing 2 and transition piece 6 Combination Welding.
Detector probe 1 and detector probe housing 2 are designed as relatively independent structure with transition piece 6, can will be felt in advance
Portion 1 is processed as the conical surface, and after bevel is complete, the conical surface on detector probe 1 and probe aperture 8 is detected, meets detection and requires
Carry out the connection of pressure capillary tube 7, detector probe housing 2 and transition piece 6 afterwards again, effectively prevent because bevel unqualified
Or probe aperture aperture existing defects and the product rejection problem that leads to, effectively increase the yield rate of product.
On the basis of above-described embodiment, this five-hole probe also includes mounting seat 4, and mounting seat 4 is sleeved on probe pole 5
Outside.Probe pole 5 is cylindrical structure, and mounting seat 4 is square structure, is respectively equipped with connecting hole 3 at the position at its four angles,
Five-hole probe can be arranged at engine inlets by this four connecting holes 3, be reserved with air intake duct and this four companies
Connect the installing hole matching in hole.
Preferably, this mounting seat 4 is designed as globoidal structure towards the side of transition piece 6, the radian of this globoidal structure
Less it can be ensured that the fitting tightly of mounting seat 4 and engine inlets outside wall surface.
It is further preferred that mounting seat 4 is towards between the side upper end of transition piece 6 and the axis of transition piece 6
Distance be 44.5mm.In actual installation, can there is the deviation of ± 0.1mm.This distance of considered critical, is present to ensure that five holes
The accuracy that probe is installed at engine inlets, thus can be further assured that to gas flowfield speed three-dimensional at this and direction
The accuracy of measurement.In concrete application, can be according to the concrete model design and installation seat 4 of electromotor towards transition piece 6
The distance between axis of side upper end and transition piece 6, to obtain accurate measurement data.
On whole five-hole probe, all component is all processed using rustless steel (1Cr8Ni9Ti) material, according to above-mentioned reality
Apply the step described in example to be combined.It should be ensured that five probe aperture 8 are just at this when being installed at engine inlets
Air-flow direction of flow, air-flow washes away to five probe aperture 8, and flows to and pressure capillary tube 7 along five pressure capillary tubies 7
At the measuring apparatus connecting, thus completing the survey to gas flowfield speed three-dimensional at engine inlets and directional correlation data
Amount.The five-hole probe that this utility model provides is convenient for carrying, and is easily installed, and is highly suitable on machine installing test.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
1. a kind of five-hole probe is it is characterised in that including probe pole, transition piece, detector probe and pressure capillary tube, described
Five probe aperture are had on detector probe, described probe aperture is connected with described pressure capillary tube, described detector probe passes through detector probe shell
Body is connected with described transition piece, and described transition piece is vertical with described probe pole to be connected, described pressure capillary tube according to
Secondary through described detector probe housing, described transition piece and described probe pole, and the other end from described probe pole is worn
Go out；Described probe aperture is step-like structure, and described probe aperture experiences the aperture of one end of airflow scouring and described pressure capillary tube
Internal diameter identical, the aperture of the other end is identical with the external diameter of described pressure capillary tube.
2. it is characterised in that also including mounting seat, described mounting seat is sleeved on institute to five-hole probe according to claim 1
State the outside of probe pole.
3. five-hole probe according to claim 2 is it is characterised in that described mounting seat is towards the one of described transition piece
Side is globoidal structure.
4. the five-hole probe according to Claims 2 or 3 is it is characterised in that described mounting seat is towards described transition piece
The distance between the axis of side upper end and described transition piece be 44.5mm.
5. five-hole probe according to claim 1 is it is characterised in that described probe is stretched in the end of described pressure capillary tube
In the hole, and the bottom experiencing airflow scouring one end with described probe aperture abuts against.
6. five-hole probe according to claim 1 is it is characterised in that described detector probe is felt with described by inserting mode
Portion's housing connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960385.0U CN205982314U (en) | 2016-08-26 | 2016-08-26 | Five hole probes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960385.0U CN205982314U (en) | 2016-08-26 | 2016-08-26 | Five hole probes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982314U true CN205982314U (en) | 2017-02-22 |
Family
ID=58037156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960385.0U Active CN205982314U (en) | 2016-08-26 | 2016-08-26 | Five hole probes |
Country Status (1)
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| CN (1) | CN205982314U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768598A (en) * | 2017-03-10 | 2017-05-31 | 北京航空航天大学 | It is a kind of measure blade arrange between stagnation pressure along leaf distribution high the porous total pressure probe of cylinder |
| CN106932165A (en) * | 2017-03-01 | 2017-07-07 | 北京航空航天大学 | A kind of pore pressure force probe of round platform five is combed |
| CN106950004A (en) * | 2017-03-02 | 2017-07-14 | 北京航空航天大学 | A kind of pore pressure force probe of cylinder nine |
| CN106989894A (en) * | 2017-03-27 | 2017-07-28 | 北京航空航天大学 | A kind of anti-icing five-hole probe |
| CN107063696A (en) * | 2017-03-29 | 2017-08-18 | 北京航空航天大学 | A kind of five pore pressure force blade profile probes |
| CN107132000A (en) * | 2017-05-08 | 2017-09-05 | 北京航空航天大学 | A kind of pressure probe comb with air blowing branching rod structure |
| CN107576444A (en) * | 2017-06-01 | 2018-01-12 | 北京航空航天大学 | A kind of pressure probe using thermal barrier coating |
| CN108061813A (en) * | 2017-12-26 | 2018-05-22 | 北京航天益森风洞工程技术有限公司 | A kind of bullet train crosswind data measurin system based on five-hole probe |
| CN109141900A (en) * | 2018-07-25 | 2019-01-04 | 中国航发沈阳发动机研究所 | A kind of probe measuring rotor outlet air-flow angle |
| CN109374303A (en) * | 2018-12-16 | 2019-02-22 | 中国航发沈阳发动机研究所 | The probe of booster stage import after measurement engine blower rotor |
| CN111413004A (en) * | 2020-03-31 | 2020-07-14 | 中国航发湖南动力机械研究所 | Temperature probe and method for measuring temperature of air flow |
-
2016
- 2016-08-26 CN CN201620960385.0U patent/CN205982314U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932165A (en) * | 2017-03-01 | 2017-07-07 | 北京航空航天大学 | A kind of pore pressure force probe of round platform five is combed |
| CN106950004A (en) * | 2017-03-02 | 2017-07-14 | 北京航空航天大学 | A kind of pore pressure force probe of cylinder nine |
| CN106768598A (en) * | 2017-03-10 | 2017-05-31 | 北京航空航天大学 | It is a kind of measure blade arrange between stagnation pressure along leaf distribution high the porous total pressure probe of cylinder |
| CN106989894A (en) * | 2017-03-27 | 2017-07-28 | 北京航空航天大学 | A kind of anti-icing five-hole probe |
| CN106989894B (en) * | 2017-03-27 | 2019-10-25 | 北京航空航天大学 | A kind of anti-icing five-hole probe |
| CN107063696A (en) * | 2017-03-29 | 2017-08-18 | 北京航空航天大学 | A kind of five pore pressure force blade profile probes |
| CN107132000B (en) * | 2017-05-08 | 2019-02-26 | 北京航空航天大学 | A kind of pressure probe comb with air blowing branching rod structure |
| CN107132000A (en) * | 2017-05-08 | 2017-09-05 | 北京航空航天大学 | A kind of pressure probe comb with air blowing branching rod structure |
| CN107576444A (en) * | 2017-06-01 | 2018-01-12 | 北京航空航天大学 | A kind of pressure probe using thermal barrier coating |
| CN108061813A (en) * | 2017-12-26 | 2018-05-22 | 北京航天益森风洞工程技术有限公司 | A kind of bullet train crosswind data measurin system based on five-hole probe |
| CN109141900A (en) * | 2018-07-25 | 2019-01-04 | 中国航发沈阳发动机研究所 | A kind of probe measuring rotor outlet air-flow angle |
| CN109374303A (en) * | 2018-12-16 | 2019-02-22 | 中国航发沈阳发动机研究所 | The probe of booster stage import after measurement engine blower rotor |
| CN111413004A (en) * | 2020-03-31 | 2020-07-14 | 中国航发湖南动力机械研究所 | Temperature probe and method for measuring temperature of air flow |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |